The Day in 1946 When Paris Heard a Bold and Unconventional Radio

On Sunday, March 31, 1946, Parisian listeners tuning their radios to 214 meters (1402 kHz) encountered something unusual. There was no authoritative announcer, no program listed in advance in the newspapers, only strange, experimental, sometimes disconcerting broadcasts carried by a small transmitter in the heart of the capital.

The Club d’Essai had just taken to the air.

Behind the scenes, Radiodiffusion française (French Radiodiffusion) had quietly developed a low-power, single-unit transmitter (just 1 kilowatt) soon operating on 315.80 meters (950 kHz), close to the former frequency of the Poste parisien. Its reach was intentionally limited to Paris and its suburbs. There was no ambition to cover the provinces or compete with the major national networks. The aim was different: to experiment, to test, to invent, and, if successful, to feed the best ideas into national programming.

A Laboratory on the Airwaves

The Club d’Essai did not emerge overnight. Its origins lie in wartime France, in urgency and discretion. In 1942, Pierre Schaeffer founded the Studio d’Essai, its direct precursor, within Radiodiffusion nationale (Vichy’s national broadcasting service) at 37 rue de l’Université. There, alongside producing radio programs, he gathered independent and often unconventional minds.

In August 1944, that same studio became the first to broadcast from a liberated Paris. After the Liberation, under the leadership of Wladimir Porché, head of Radiodiffusion française (French Radiodiffusion), the structure was reorganized, expanded, and given a new identity : the Club d’Essai.

March 31, 1946, marks less a birth than a moment of independence. For the first time, the laboratory had its own transmitter, its own voice. It could present its work publicly and in real time, exploring what it called a “reasoned radio aesthetic.”

“Research has long been underway, both in France and abroad, to give maximum effectiveness to radio broadcasting. The creation of a transmitter presenting results already achieved is therefore not a revolution. It does, however, bring our efforts into the public sphere.”
Jean Tardieu, Radio 46, March 1946

Tardieu’s Experiment

At its head stood Jean Tardieu, poet, playwright, and a figure far removed from conventional broadcasting. That distance was precisely his strength. He did not see the Club d’Essai as just another station, but as a way of thinking through radio itself, pushing it toward its limits, forcing it to discover its own language.

Writing in Radio 46, he described the ambition simply : to compose programs as a host might arrange an evening for guests. The ingredients were familiar, music, literature, theater, documentary, but the form had to be exacting, deliberate.

“We want to try to compose evenings as a host would arrange them to entertain guests. But we also want to make the greatest scientific, literary, and musical riches accessible.”
Jean Tardieu, Radio 46, March 1946

The Power of Surprise

One decision set the Club d’Essai apart immediately: it refused to publish its schedule in advance. At a time when radio listings structured listening habits, the Club chose unpredictability. The goal was not confusion, but revelation, to create a genuine “surprise effect,” and with it, an unfiltered measure of audience response.

The station also functioned as a large-scale testing ground. A dedicated survey system gathered reactions from listeners across different backgrounds, compiling regular reports for producers. Programs that resonated could then move on to Parisian or national networks.

A Radio of Possibilities

What did listeners hear when they found 214 meters on their dial ? A striking mix. Scientific programs like Radio-Laboratory, devised by chief engineer M. Matras and his team, brought complex ideas within reach. Literary broadcasts favored direct readings by major performers over softened adaptations. Theater was staged with minimal alteration, using sound to illuminate inner thought as much as dialogue.

The Club d’Essai also relayed broadcasts from the American Forces Network, an unexpected window onto jazz, then flourishing in postwar Paris.

Program Highlights, 1946

Sunday, May 19

• 12:30 PM. À la bonne franquette, with Isidore, Pierre Asso, and guests
• 1:00 PM. Listener mail, presented by François Guillaume
• 1:05 PM. Cornet à dés
• 8:00 PM. Two-piano improvisations on an old song, Henriette Roget and Pierre Sancan
• 8:15 PM. Paroles de Paris (1)
• 8:40 PM. Melodies by Andrée Cuvillier and Noël Prado
• 9:10 PM. Siméon le stylite, by Emilia Malespine
• 10:30 PM. Musicians on themselves: Gabriel Fauré, music critic
• 10:30 PM. Parenthèses, a sketch by Jean Lee, with interjections by Raymond Souplex

Thursday, May 23

• 12:30 PM. Cabarets d’autrefois, produced by Bronislaw Horowicz
• 1:00 PM. Souvenirs de films
• 8:00 PM. Songs from Latin America
• 8:15 PM. Radio-Laboratory, Albert Riéra and Roger Veillé
• 8:45 PM. The Impossible Adventure by Blaise Cendrars, directed by Maurice Cazeneuve
• 9:30 PM. Music and dance: from Rameau to Poulenc (piano pieces)
• 9:45 PM. In Search of the Weather to Come, José Bernart and Antoine Marchal, radio essay from the Radio Houses Study Service
• 10:45 PM. La Veillée des Chaumières: from Littré to Pierrot-les-Grandes-Feuilles, produced by Albert Riéra

Saturday, May 25

• 12:30 PM. Feux d’ambiance, by José Bernart
• 1:00 PM. Les Ânes rouges, by Hubert Degex and François Billetdoux
• 8:00 PM. Music and Longitude, Gilbert Rouget
• 8:15 PM. The cycle of Ancient Theater: Sophocles, presented by Jacques Heurgon
• 9:45 PM. A young composer: Jean Martinon
• 10:20 PM. The Magician of Silence, by Jean Delage
• 10:40 PM. Beautiful Language, Beautiful Readings

A Crucible for a Generation

Within months, the Club d’Essai became a gathering place for writers, artists, and experimenters. Jean Cocteau, Albert Camus, and Raymond Queneau spoke on its airwaves. Boris Vian read his work. Young voices, Pierre Tchernia, Michel Polac, made their first appearances. Even Antonin Artaud passed through its studios.

In music, Pierre Schaeffer pursued his experiments with recorded sound. In October 1948, his Concert of Noises was broadcast for the first time. Musique concrète was born.

“Radio addresses thousands upon thousands of individuals at the same time, yet it reaches them in their homes, touching them as individuals and never as a mass. The sense of communion must begin at the source, in the work itself.”
Jean Tardieu, Radio 46, March 1946

The Club d’Essai would not remain unchanged. By 1949, television began drawing away many of its most inventive contributors. In 1959, its final broadcasts faded from the Paris airwaves.